From: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
To: Danielle Costantino
<danielle.costantino-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-i2c <linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH] i2c/mpc: Fix ISR return value
Date: Thu, 5 Feb 2015 20:37:53 +0100 [thread overview]
Message-ID: <20150205193753.GH15307@katana> (raw)
In-Reply-To: <CAAVjN7fQ4RLgsk1R_DPrFm21OBWpsBdxMuDyQauiz3pxCgK+Lw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
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On Fri, Jan 30, 2015 at 03:17:37AM -0800, Danielle Costantino wrote:
> I have been using the driver with this modification for the past 6
> months and it has been stable in an industrial environment.I had made
> a few other changes that also improve reliability (using ppc in_8 and
> out_8 and eieio barriers to ensure in-order execution. This lets you
> remove the unneeded double read of the status register. I also added a
> more robust recovery function to handle force of bus master-ship, and
> clearing the arb lost interrupt that is generated. currently this can
> cause the isr to trigger and cause superfluous interrupts. I have not
> posted this patch because of the extensive changes,
>
> I will ack this patch.
Thanks for the detailed explanation. If you want to assist me even
further, please use the standard form for an Ack:
Acked-by: <your email>
Then patchwork will automatically collect the ack and I don't have to do
it manually.
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next prev parent reply other threads:[~2015-02-05 19:37 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-30 10:24 [PATCH] i2c/mpc: Fix ISR return value Amit Tomar
2015-01-30 11:09 ` Danielle Costantino
[not found] ` <BL2PR03MB449C87445D2FD1F15E9D33483310-AZ66ij2kwaaRkNCTDI+ukOO6mTEJWrR4XA4E9RH9d+qIuWR1G4zioA@public.gmane.org>
2015-01-30 11:17 ` Danielle Costantino
[not found] ` <CAAVjN7fQ4RLgsk1R_DPrFm21OBWpsBdxMuDyQauiz3pxCgK+Lw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-02-05 19:37 ` Wolfram Sang [this message]
2015-02-05 19:36 ` Wolfram Sang
2015-03-27 12:47 ` Amit Tomar
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